package com.tedu.bill;

/**
 * Author：毕龙
 * Date: 2024/4/10 19:00
 */
public class TestThis {
    public static void main(String[] args) {
        Table t1 = new Table("4", "red");
        System.out.println(t1);
        Table t2 = null;
        //NullPointerException
        t2.print();
    }
}
